The blue water spring is about 13 feet in diameter and 1 foot below the rim, USGS said. The water in the pool was measured at ...

Learn about the new hydrothermal feature that appeared last winter in Yellowstone National Park, possibly on Christmas Day.

Jimmy Kimmel gave a salute to “The Late Show With Stephen Colbert” — and blasted rival network CBS — on Thursday evening, ...

A new light blue hot spring has formed in Yellowstone’s Norris Geyser Basin after months of small hydrothermal explosions.

Located in the Yellowstone’s Porcelain Basin, the new thermal feature is believed to have appeared on Christmas Day ...

Ice-blue in color, warm in temperature and a little larger than a backyard hot tub, the pool is the newest known feature to bubble up in Yellowstone’s simmering hydrothermal landscape. It has yet to ...

The bison died in the boiling waters of the Grand Prismatic Spring. This happens from time to time, but usually not in front of a crowd.

Yellowstone National Park announced Monday the discovery of a new 13-foot baby blue hot spring. It emerged with little ...

Last April, geologists conducting routine maintenance at temperature logging stations in Yellowstone National Park’s Norris ...

The incident occurred at Grand Prismatic Spring near Old Faithful as tourists were enjoying a close-up view of the famous and ...

More geological changes are occurring at Yellowstone National Park, as another hole forms in one of the park's basins. The ...

The dominant rock type in the Yellowstone region is rhyolite, and that is very rich in silica. As hot water circulates underground, it can dissolve that silica and bring it to the surface, where it is ...